Volume 2, Number 1 (March 2017)                   J Environ Health Sustain Dev 2017, 2(1): 235-47 | Back to browse issues page

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Samani Majd S, Abdoli M A, Karbassi A, Pourzamani H R, Rezaee M. Effect of Physical and Chemical Operating Parameters on Anaerobic Digestion of Manure and Biogas Production: A Review. J Environ Health Sustain Dev. 2017; 2 (1) :235-47
URL: http://jehsd.ssu.ac.ir/article-1-77-en.html

Faculty of Environment, University of Tehran, Tehran, Iran.
Abstract:   (24 Views)
Introduction: The need for food produced from animal husbandry has made it a growing industry which result in increment of livestock waste. On the basis of environmental and economic considerations, these materials require treatment and management. Anaerobic digestion and creation of biogas are the most effective methods of waste management. Several parameters affect the anaerobic digestion of animal wastes which should be studied in order to optimize the biogas production of reactors.
Materials and Methods: The parameters affecting the performance of anaerobic processes in different scientific databases within 1984 -2016 were searched and related information were obtained.
Results: A wide range of reactors with retention times of 0.5 to 140 days and organic loading rates from 0.11 to 7.5 grams per liter of organic matter in a day were studied based on the Volatile Solid (VS) in different temperature range. Also, studies conducted on mixing, co-digestion, changes in pH and ammonia content of the substrate, C/N ratio, as well as the effect of chemical interference were investigated.
Conclusion: High COD removal decrease of VS were achieved in the range of 80-95 % and 65- 92 % respectively in bioreactors. The produced methane was also 48 mmol L-1 to 4681.3 m3 per month for reactors with a volume of 120 ml to 1330 m3 achieved respectively at 37 and 55˚C from the Mesophilic and thermophilic temperatures. Results summarized on the physical and chemical conditions in this paper, can be used to study the effective parameters and optimize conditions used in biogas production.
Full-Text [PDF 650 kb]   (13 Downloads)    
Type of Study: Review Article | Subject: Special
Received: 2017/08/9 | Accepted: 2017/08/9 | Published: 2017/08/9

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